Trail Running calendar near Builth Wells 2026-2027

We have found 282 Trailruns within 80 miles of Builth Wells. See below where and when you can find the races.

Test your endurance on the highest peak in Wales with a 24 hour ultra trail challenge. Run solo or in a relay team to complete as many ascents of Yr Wyddfa as possible in this UTMB indexed event.

Choose between five circular distances from 10 to 40 miles through 12 scenic parishes. Run or walk this waymarked off road challenge starting from the village of Hallow and enjoy a hot meal at the finish.

Run the scenic Shropshire Hills at The Piece of Cake Trail Run in Carding Mill Valley with 10K, half marathon and marathon distances. Enjoy marked trails, aid stations, a finisher medal and a cake competition.

Explore the scenic Shropshire countryside with a Half Marathon, 10k, or 5k race featuring hilly lanes and off road trails through Whitcliffe Common.

Explore the UK's first Area of Outstanding Natural Beauty on the Gower Peninsula. Choose from distances ranging from 10 km to 100 km, with full support and a basecamp at historic Penrice Castle. Options include a competitive run category, a..

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Rabbit Run Wales offers stunning trail races on the private Merthyr Mawr Estate. Runners can choose a 12K route over hills, valleys, and sand dunes, or a 40K tour along the dramatic Glamorgan Heritage Coast.

Experience a guided mountain traverse of all 14 peaks over 3000 feet in Snowdonia. Choose between a 20 hour challenge or a two day journey led by experienced mountain professionals with full support and transport included.

Experience the beauty of the Wales Coast Path with three linear trail races finishing in Cardiff Bay. Choose between 100, 50, or 30 mile distances featuring rugged cliffs, golden beaches, and historic landmarks.

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Experience a unique run through the 1.1 km Tidenham tunnel and along the scenic Wye Valley Greenway with distances ranging from a marathon to family friendly colourburst races.

A scenic trail run in Herefordshire starting from Aymestrey. Choose between a 10-mile route with 1,800 feet of climb or a 5-mile option. The course features lanes, forest tracks, and trails.

Take on the Selworthy Beacon Fell Race on Sun 19 Jul 2026, a punchy 6.2 km with 305 m of climb from Bossington National Trust car park. Pre entry or day entry available for a classic short fell test with stunning coastal views.

Tackle a scenic 10 km trail run at Llys-y-frân Lake, part of the 2026 RTT Series. The route offers varied terrain with beautiful lakeside and woodland views. Runners receive a finisher's medal and chip timing.

Experience a guided three day traverse of Northern Snowdonia covering 100km and 47 summits. This fully supported event features small groups and expert guidance through the challenging Welsh mountain ranges.

A marked fell race in South Wales on 23 July 2026, covering 5.5 km with 315 m of climb. Entry on the day costs £3 and the minimum age is 16. Post race tea and cake are available; bring your own mug.

Event Overview The Beacons Way Ultra 100km is a 100-kilometer (62-mile) ultramarathon. It takes place on Saturday, July 25, 2026, across Bannau Brycheiniog, the Brecon Beacons National Park in South Wales. The route follows the official tra..

Event Information The Beacons Way Ultra 100 Mile is a 100-mile ultramarathon with 6143m of total ascent. It takes place in the Brecon Beacons National Park (Bannau Brycheiniog) on Saturday, July 25, 2026. Route and Course The race starts at..

The Railway Ultra follows a disused railway line along the River Severn between Ironbridge and Bridgnorth. Runners can choose from five distances, from 9 miles up to 37 miles. The flat, scenic route features industrial heritage and includes..

Ultra X Wales offers a multi-day trail running weekend in the Brecon Beacons with six distances, from a 12 km run to a challenging 110 km ultra. The event features fully stocked aid stations and is a UTMB Index Race. Runners under 23 can pa..

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Join this flexible 7 hour time challenge at Dare Valley Country Park where you can run or walk any distance from 3km to an ultra-marathon on scenic well-maintained paths.

Explore the stunning South West Coast Path and Exmoor on this summer trail challenge. Choose from 50km, 25km, or 10km loops starting from a festival basecamp at Dunster Castle. The event welcomes walkers, joggers, and runners with full supp..

UTMB Index